One wire reader is an Ethernet to USB adapter, which is used for editing TEDS within the TEDS editor for EtherCAT devices, as EtherCAT devices are currently not supported within TEDS editor. 

You need to adjust the device to "OneWire Reader" in the TedsEditor:

We have tested the one wire reader on the following picture:

For adjusting the connection to any other type of connector, you can find the pin-out on the following picture:

You need to connect pin 3 (1-wire data) to TEDS data pin and pin 4 (1-Wire return) to the GND pin on the TEDS chip.